{"id":2417802,"url":"https://alion.io/job/syndesus-sr-founding-full-stack-swe","title":"Sr Founding Full Stack SWE","company":{"id":4420272,"name":"Syndesus","domain":"syndesus.com","url":"https://alion.io/company/syndesus","size_band":"11-50","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Gem","truth_index":{"grade":"D","score":40,"open_postings":23,"ghost_share":1,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":200000,"max":280000,"currency":"USD","period":"year","gross":null,"usd_annual":280000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2025-10-07T14:53:21Z","employer_posted_date":"2025-10-08","last_verified_at":"2026-10-13T14:58:12Z","board_verified":true,"closed_at":null,"days_open":371,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":370},"description":"Senior Founding Full-Stack Engineer\nAbout the Company\nOur client is a fast-growing Y Combinator-backed Voice AI startup transforming sales, support, and customer engagement. With $5M in seed funding and approaching $30M ARR already, achieved with just 20 people, they're building the standard for voice automation at scale.\nThe Role\nAs a Founding Senior Full-Stack Engineer, you'll build the core platform powering millions of AI-driven conversations. Working with React, TypeScript, and Node.js, you'll create scalable systems and intuitive interfaces that enable seamless customer experiences.\nKey Responsibilities\nDevelop core features including prompt orchestration, dashboards, analytics, and telephony integrations\nBuild full-stack systems from polished UIs to robust APIs and DevOps workflows\nOwn projects end-to-end from architecture to production deployment\nCreate intuitive interfaces enabling rapid customer activation\nSupport customer onboarding and translate feedback into product improvements\nRequirements\n2+ years full-stack experience with React, TypeScript, Node.js, or Python\nCS/CE degree or equivalent practical experience\nOwnership mindset with ability to solve problems independently\nThrives in fast-paced, dynamic environments\nStrong communication and collaboration skills\nCompensation & Benefits\nSalary: $200K - $280k USD\nEquity: 0.25% - 0.45%\n Schedule: Full-time, 70 hrs/week (50 onsite + 20 remote, flexible hours)\n Location: Redwood City, CA\n100% medical, dental, vision coverage\nUnlimited meals and snacks\nGym and commute reimbursement\nVisa sponsorship available (H1B, TN, L-1, E-3, F-1, O-1)\nInterview Process\nOnline coding assessment (25-30 min)\nTechnical phone interviews (2 rounds)\nOnsite/virtual interviews: practical coding, system design, and automation","description_format":"text","description_chars":1788,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-13T03:57:46Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.184,"p_room":0.28,"age_days":370,"expected_fill_days":31,"reasons":["conf:1","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-13T05:45:00Z"},"pay":{"stated_usd_annual":280000,"is_top_pay":true},"html_url":"https://alion.io/job/syndesus-sr-founding-full-stack-swe","json_url":"https://alion.io/job/syndesus-sr-founding-full-stack-swe.json","meta":{"generated_at":"2026-10-13T17:59:50Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":27453,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4420272},"rest":"https://alion.io/mcp/rest/get_company?id=4420272"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsyndesus-sr-founding-full-stack-swe"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsyndesus-sr-founding-full-stack-swe"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsyndesus-sr-founding-full-stack-swe"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/syndesus-sr-founding-full-stack-swe\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsyndesus-sr-founding-full-stack-swe"}]}